Johnston Mark W Churchill/Ford/Walker’s Sales Force Management / Sales force management Mark W. Johnston, Greg W. Marshall. - 8th ed. - Boston : McGraw-Hill/Irwin, c2006. - xvii, 491 p. : ill. ; 26 cm. - McGraw-Hill/Irwin series in marketing . Includes bibliographical references and indexes. ISBN: 9780071116053 Subjects--Topical Terms: Sales management LC Class. No.: HF5438.4 / .C48 2006